diff --git a/python/sphinx_docs/Makefile b/python/sphinx_docs/Makefile
index 9e4f874..5315d96 100644
--- a/python/sphinx_docs/Makefile
+++ b/python/sphinx_docs/Makefile
@@ -2,6 +2,6 @@
 
 # Build the documentation locally for the current branch
 # NOTE: You need to commit your changes before running this command
+CURRENT_BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
 docs:
-	@CURRENT_BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
-	sphinx-versioned -m $$CURRENT_BRANCH -b $$CURRENT_BRANCH --git-root ../../
\ No newline at end of file
+	sphinx-versioned -m ${CURRENT_BRANCH} -b ${CURRENT_BRANCH} --git-root ../../